1. Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química; Universitat de Girona; C/ Maria Aurèlia Capmany 69 17003 Girona Catalonia Spain
2. Department of Chemistry and Biochemistry; University of California; Los Angeles CA 90095 USA
3. School of Chemistry; University of Melbourne; VIC 3010 Australia
4. Kimika Fakultatea; Euskal Herriko Unibertsitatea (UPV/EHU) and Donostia International Physics Center (DIPC); P.K. 1072 20080 Donostia Euskadi Spain
5. Ikerbasque, Basque Foundation for Science; 48011 Bilbao Euskadi Spain